From cb57f06564cd635092f89046ab9259eda97549a3 Mon Sep 17 00:00:00 2001
From: Paul Hollinsky <phollinsky@intrepidcs.com>
Date: Fri, 19 Oct 2018 13:42:48 -0400
Subject: [PATCH] Slight speed improvement for CAN transmit

---
 communication/encoder.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/communication/encoder.cpp b/communication/encoder.cpp
index 2ccc5ee..02b4812 100644
--- a/communication/encoder.cpp
+++ b/communication/encoder.cpp
@@ -51,6 +51,9 @@ bool Encoder::encode(std::vector<uint8_t>& result, const std::shared_ptr<Message
 				}
 			}
 
+			// Pre-allocate as much memory as we will possibly need for speed
+			result.reserve(17 + dataSize);
+
 			result.push_back(0 /* byte count here later */ << 4 | (uint8_t(canmsg->network.getNetID()) & 0xF));
 			result.insert(result.end(), {0,0}); // Two bytes for Description ID, big endian, not used in API currently
 
@@ -95,7 +98,7 @@ bool Encoder::encode(std::vector<uint8_t>& result, const std::shared_ptr<Message
 			// Fill in the length byte from earlier
 			result[0] |= result.size() << 4;
 			break;
-		}
+		} // End of Network::Type::CAN
 		default:
 			switch(message->network.getNetID()) {
 				case Network::NetID::Device: